Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
South-Eastern Asia, Southeastern Asia, China
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Purple Orchid Tree, White Orchid Tree, Bidi leaf tree
Number of Varieties
220
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Forests, Mountain Slopes, Valley
USDA Hardiness Zone
6-119-13
0
99
👆🏻
AHS Heat Zone
-
12-9
Sunset Zone
21,22
H1, H2, 9, 10, 11, 13, 18, 19, 20, 21, 22, 23
Habit
Upright/Erect
Upright/Erect